Nuclear pulse counting apparatus and technique

Details Nuclear pulse counting apparatus and technique Nuclear pulse counting apparatus and technique

1978-05-03

1980-10-14

Wise, Edward J.

Boots, shoes, and leggings

364555, 364498, G06F 1546

Patent

active

042285127

ABSTRACT:
A nuclear pulse counting experiment, such as typified by the art of X-ray fluorescence empolys a multichannel analog to digital converter (ADC) which is interfaced with a microprocessor to yield sample/matrix concentration data, as an illustrative example, with a precision which is given by the theoretical nuclear decay statistical limits. In specific regard to X-ray fluorescence analysis, the ADC characterizes each pulse or count according to magnitude without conventional backscatter peak gain stabilization. The data is transferred through a buffer to the microprocessor, which scans the higher energy characterizations for maximum count, identifies that characterization as the peak, .+-. 1 characterization, and interpolates to develop a refined backscatter peak, stated to at least 1/10 of a characterization, and from which data base all ensuing calculations are predicated.

REFERENCES:
patent: 3435239 (1969-03-01), Stalberg
patent: 3515861 (1970-06-01), Nather
patent: 3578960 (1971-05-01), Georgi et al.
patent: 3872287 (1975-03-01), Koeman
patent: 3925644 (1975-12-01), Bergman et al.
patent: 4133039 (1979-01-01), Eichenlaub

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